Page 87 - Play Safe Keep Safe
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CHAPTER 14             FIRST AID
                                                                                                                                                   ACTIVITY
                                    Blood, Bleeding Cuts And Bruises                                                                              PRINT FROM DOWNLOADS





             There are thousands of kilometres of blood vessels in                                  Did you know?...
                                                                                                    Did you know?...
             your body. These tiny tubes are your body's motorways.
             They carry blood to every corner of your body, and                                     Every time your heart beats, it sends
             with it they carry oxygen and food. If your blood                                      a small wave of pressure along your
             stopped flowing, your body would be starved of oxygen                                  blood vessels. This is called a pulse.
             and food and you would die. Thank goodness you have
             got a pump to keep your blood flowing. That pump is
             your heart.

                                                                Platelets
                                                                These 'plug
            Red blood cells                                     up' wounds
            They pick up                                        if you cut
            oxygen when                                         yourself.
            your blood passes
            through your lungs.



                                                                                   Try to find your pulse in your wrist. Use your fingers, not your thumb.
            White blood cells
            They help to                                                             How many times does your heart beat in 1 minute?
            destroy germs.
                                                                                     Measure your pulse after you         How many beats per minute
                                                                                     have been...                         could you feel?
            Plasma
            This is the watery                                                       a. Lying down for three minutes.
            liquid which carries
            digested food.                                                           b. Sitting up for three minutes.

                                                                                     c.  Running for three minutes.




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